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<http://schema.org/description>
"A Volumetric Flasks with screw capsVolumetric flasks have individually calibrated ring-markings that are easy to read, and meet Class A tolerances per DIN EN ISO 1042. High transparency simplifies meniscus verification. Autoclavable at 121 C without affecting tolerances.Frequently Asked Questions1. Are the graduations on your labware molded on the inside, outside, or simply screen printed? None of the graduations are molded on the interior. They would be very difficult to mold in that way, and would interfere with the accuracy. Exterior molding also allows for a better grip on the item. However, it does differ by product, specifically:Graduated cylinders: All models have molded graduations, some have screened overprint. Graduated pitchers: All models, with the exception of the nesting models, have molded graduations. Some have screened overprint. Nesting models have printed graduations. Beakers and Erlenmyer flasks: All models have screen printed graduations. Volumetric flasks: All models have a scored graduation, with coloring added. WARNING These products can expose you to chemicals including Perfluorooctanoic Acid (OA), which is known to the State of California to cause birth defects or other reproductive harm.For more information go to www.P65Warnings.ca.gov.Volumetric Flasks with Screw Caps, A Volume mL Tolerance mL Height mm Thread GL Qty/Pack Cat. No. 10 0.04 90 18 1 V107097 25 0.04 115 18 1 V107197 50 0.06 150 18 1 V107297 100 0.10 180 18 1 V107397 250 0.15 235 25 1 V107497 500 0.25 270 25 1 V107597 Item Group: A-VUnit of Measure: EachPack Quantity: Pack of 1"
<https://mansionlabs.com/pfa-volumetric-flasks-screw-caps-v107297-lab-supplies-labware.html>